When did momondo last update prices for flights from Adelaide Airport to Ko Samui Airport?

Prices for flights from Adelaide Airport to Ko Samui Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Adelaide Airport to Ko Samui Airport?

There is 1 operator available for flights from Adelaide Airport to Ko Samui Airport as of December 2025.

How old do you have to be to fly from Adelaide Airport to Ko Samui Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Adelaide Airport to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$969 Cheap Flights from Adelaide to Ko Samui in 2025/26

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Adelaide to Ko Samui

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:25 - 08:00

ADL

USM

29h 05m2 stops

08:55 - 06:15

USM

ADL

17h 50m2 stops

$1,123Multiple Airlines

Fri, 23 Jan - Fri, 30 Jan

06:25 - 18:50

ADL

USM

15h 55m2 stops

08:55 - 20:35

USM

ADL

32h 10m3 stops

$1,275Multiple Airlines

Fri, 23 Jan - Fri, 30 Jan

07:50 - 18:15

ADL

USM

36h 55m2 stops

14:35 - 13:40

USM

ADL

20h 35m2 stops

$1,289Qantas Airways

Sun, 17 May - Wed, 20 May

07:50 - 18:15

ADL

USM

36h 55m2 stops

14:00 - 11:55

USM

ADL

19h 25m2 stops

$1,290Qantas Airways

Sun, 17 May - Wed, 20 May

17:35 - 17:20

ADL

USM

26h 15m1 stop

18:15 - 07:25

USM

ADL

10h 40m1 stop

$1,463Singapore Airlines

Sun, 17 May - Wed, 20 May

06:25 - 21:20

ADL

USM

18h 25m3 stops

07:55 - 06:15

USM

ADL

18h 50m3 stops

$1,466Multiple Airlines

Fri, 23 Jan - Fri, 30 Jan

07:50 - 21:10

ADL

USM

16h 50m2 stops

16:25 - 11:05

USM

ADL

16h 10m2 stops

$1,566Multiple Airlines

Tue, 31 Mar - Tue, 7 Apr

07:50 - 21:10

ADL

USM

16h 50m2 stops

16:25 - 11:05

USM

ADL

16h 10m2 stops

$1,651Multiple Airlines

Tue, 31 Mar - Tue, 7 Apr

07:50 - 21:10

ADL

USM

16h 50m2 stops

13:30 - 10:20

USM

ADL

18h 20m2 stops

$1,904Multiple Airlines

Tue, 31 Mar - Wed, 8 Apr

18:35 - 08:00

ADL

USM

16h 55m1 stop

19:45 - 17:45

USM

ADL

42h 30m2 stops

$1,910Multiple Airlines

Fri, 23 Jan - Fri, 30 Jan

Qantas Airways flights from Adelaide to Ko Samui

Our best Qantas Airways deals on Adelaide to Ko Samui flight tickets

Qantas Airways

17 May

ADL07:50Adelaide

36h 55m

2 stops

USM18:15Ko Samui

20 May

USM14:35Ko Samui

20h 35m

2 stops

ADL13:40Adelaide

$1,289

Find similar

Qantas Airways

17 May

ADL07:50Adelaide

36h 55m

2 stops

USM18:15Ko Samui

20 May

USM14:00Ko Samui

19h 25m

2 stops

ADL11:55Adelaide

$1,290

Find similar

Singapore Airlines flights from Adelaide to Ko Samui

Our best Singapore Airlines deals on Adelaide to Ko Samui flight tickets

Singapore Airlines

17 May

ADL17:35Adelaide

26h 15m

1 stop

USM17:20Ko Samui

20 May

USM18:15Ko Samui

10h 40m

1 stop

ADL07:25Adelaide

$1,463

Find similar

Singapore Airlines

23 Jan

ADL18:35Adelaide

19h 55m

1 stop

USM11:00Ko Samui

30 Jan

USM19:45Ko Samui

18h 05m

1 stop

ADL17:20Adelaide

$2,214

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Fri 23/1

06:25-08:00

2 stops29h 05m

Ko Samui

Fri 30/1

08:55-06:15

2 stops17h 50m

$1,123

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Fri 23/1

06:25-18:50

2 stops15h 55m

Ko Samui

Fri 30/1

08:55-20:35

3 stops32h 10m

$1,275

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Sun 17/5

07:50-18:15

2 stops36h 55m

Ko Samui

Wed 20/5

14:35-13:40

2 stops20h 35m

$1,289

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Sun 17/5

07:50-18:15

2 stops36h 55m

Ko Samui

Wed 20/5

14:00-11:55

2 stops19h 25m

$1,290

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Sun 17/5

17:35-17:20

1 stop26h 15m

Ko Samui

Wed 20/5

18:15-07:25

1 stop10h 40m

$1,463

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Fri 23/1

06:25-21:20

3 stops18h 25m

Ko Samui

Fri 30/1

07:55-06:15

3 stops18h 50m

$1,466

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Tue 31/3

07:50-21:10

2 stops16h 50m

Ko Samui

Tue 7/4

16:25-11:05

2 stops16h 10m

$1,566

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Tue 31/3

07:50-21:10

2 stops16h 50m

Ko Samui

Tue 7/4

16:25-11:05

2 stops16h 10m

$1,651

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Tue 31/3

07:50-21:10

2 stops16h 50m

Ko Samui

Wed 8/4

13:30-10:20

2 stops18h 20m

$1,904

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Fri 23/1

18:35-08:00

1 stop16h 55m

Ko Samui

Fri 30/1

19:45-17:45

2 stops42h 30m

$1,910

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Adelaide to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ko Samui?

The month of May is, on average, the cheapest month to fly to Ko Samui from Adelaide, with most prices found around $1,275. If you aren’t able to travel during the month of May, then book flights to Ko Samui from Adelaide during October instead. Flights to Ko Samui in October, while not as cheap as those in May, still average around $1,275.

What is the cheapest day to depart on your flight to Ko Samui?

According to our data, Monday is the cheapest day to fly to Ko Samui from Adelaide. The lowest ticket price found for a Monday departure recently was $1,289. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Adelaide to Ko Samui for around $1,654.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest Adelaide to Ko Samui flights are usually those with departure times in the afternoon. Our users have found flights to Ko Samui in the afternoon for as low as $1,267. Flights in the morning are often more expensive, with an average ticket price of $1,450.

Can stopping save me money on Adelaide to Ko Samui flights?

You could potentially save up to 33% on your flight if you consider stops on a Adelaide to Ko Samui flight.

When to book flights from Adelaide to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Adelaide to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Adelaide to Ko Samui (ADL to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Adelaide to Ko Samui

Fastest flight time	15h 55m
Direct flights	None

The fastest flight from Adelaide to Ko Samui takes 15h 55m

There are no direct flights from Adelaide to Ko Samui. There are no popular flight routes from Adelaide to Ko Samui.

Search flight deals

How far is Adelaide to Ko Samui by plane?
There are 6386.5 km between Adelaide and Ko Samui. A reasonable flight in good conditions will take 15h 55m.
When did momondo last update prices for flights from Adelaide Airport to Ko Samui Airport?
Prices for flights from Adelaide Airport to Ko Samui Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Adelaide Airport to Ko Samui Airport?
There is 1 operator available for flights from Adelaide Airport to Ko Samui Airport as of December 2025.
How old do you have to be to fly from Adelaide Airport to Ko Samui Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Adelaide Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Adelaide to Ko Samui?
momondo data reveals that the most frequently booked airline on the route from Adelaide to Ko Samui is Singapore Airlines, representing 100% of all bookings.

Best airlines flying from Adelaide to Ko Samui

Compare and see reviews for airlines that fly from Adelaide to Ko Samui with momondo

Airline	Rating	Free cancellation	Price
Singapore Airlines	PriceFrom $1,033	Free cancellation	Rating 8.1 1,412 reviews		Search Singapore Airlines flights

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Adelaide to Ko Samui?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ko Samui from Adelaide.

Can I find flights from Adelaide to Ko Samui with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ko Samui from Adelaide with this policy.

How can momondo help me find flights from Adelaide to Ko Samui?

Once you have performed a search for Adelaide to Ko Samui flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Adelaide to Ko Samui right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Adelaide to Ko Samui flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.